Animal Kingdom Question 743

Question: Hydra is

[CPMT 1993; RPMT 1999, 2000; Pb. PMT 2000]

Options:

A) Triploblastic, radial symmetry and acoelomate

B) Triploblastic, radial symmetry and coelomate

C) Diploblastic, radial symmetry and acoelomate

D) Diploblastic, radial symmetry and coelomate

Show Answer

Answer:

Correct Answer: C

Solution:

Hydra belongs to class hydrozoa of Cnidarians. Cnidarians have radial symmetry, diploblastic body plan.

They are acoelomate and have a central digestive cavity called as a gastrovascular cavity.

It has a single opening to serve as both mouth and anus. Thus, the correct answer is option C.